There are 8 cups/ 4 pints or  16 scoops in 2 quarts of ice cream.
Money that is paid for the use of money is called interest. When you keep your money in a bank savings account, the bank credits your account with interest.
verb (used with object), paid or ( Obsolete, except for def 12 ) payed, paying. 1. to settle (a debt, obligation, etc.), as by transferring money or goods, or by doing something: Please pay your bill. 2. to give over (a certain amount of money) in exchange for something: He paid twenty dollars for the shirt.